private void Button_Click(object sender, RoutedEventArgs e)
{
// I don't know of a way of extracting the button's parent
// tab item directly, silly as that seems. (Is it possible to
// do so when a control template is the source of the event?)
for (int i = 0; i < DocumentView.Items.Count; i++)
{
TabItem item = (TabItem)DocumentView.Items[i];
if (item.IsMouseOver)
{
ComputerEditor editor = (ComputerEditor)item.Content;
if (editor.HasChanges)
{
string title = "Confirmation";
string message = "Do you want to save this file?";
DialogType type = DialogType.YesNoCancel;
Dialog dialog = new Dialog(title, message, type);
dialog.ShowDialog();
DialogResponse response = dialog.Response;
if (response == DialogResponse.Cancel)
{
return;
}
if (response == DialogResponse.Yes)
{
editor.Save();
}
}
DocumentView.Items.RemoveAt(i);
editor.Dispose();
break;
}
}
}
private void OpenComputerEditor(string filePath, string tempPath)
{
// Start at index 1, the tab at index 0 is the FileView!
for (int i = 1; i < DocumentView.Items.Count; i++)
{
TabItem tab = (TabItem)DocumentView.Items[i];
ComputerEditor previousEditor = (ComputerEditor)tab.Content;
if (previousEditor.Environment.FilePath == filePath)
{
// Don't open the same file twice, just switch to
// the already open tab.
DocumentView.SelectedIndex = i;
return;
}
}
string id = "ComputerEditor -- " + Path
.GetRelativePath(Environment.CurrentDirectory, filePath);
string name = Path.GetFileNameWithoutExtension(filePath);
// The need for all this could be removed by passing the computer
// parameter to the aux. components, rather than the other way
// round.
ComputerEditorEnviroment enviroment = new ComputerEditorEnviroment
{
Name = name,
GivenID = id,
FilePath = filePath,
TempPath = tempPath,
MessageView = MessageView,
ScreenView = ScreenView,
MemoryView = MemoryView
};
ComputerEditor editor = new ComputerEditor(enviroment);
TabItem newTab = new TabItem
{
Header = name,
Content = editor,
Style = (Style)FindResource("DocumentTabItem")
};
void UpdateHeader()
{
string header = name;
if (editor.HasChanges)
{
header += "*";
}
newTab.Header = header;
}
UpdateHeader();
editor.HasChangesChanged += (obj, e) => UpdateHeader();
void OnTabSelected()
{
MessageView.Supplier.Select(id);
ScreenView.Supplier.Select(id);
MemoryView.Supplier.Select(id);
OutputTabs.SelectedItem = ScreenTab;
}
newTab.MouseUp += (s, e) => OnTabSelected();
int index = DocumentView.Items.Add(newTab);
DocumentView.SelectedIndex = index;
OnTabSelected();
}
